//include<tools/util.scad>

$fn=100;
difference(){
translate([-110,-110,0])import("c:\\Users\\debugc\\stl\\dr.stl");
    mask();

}
module mask(){
translate([0,31.25,0])round_mask();
translate([0,-31.25,0])mirror([0,1,0])round_mask();
translate([0,55,0])cylinder(h=5,d=5);
translate([0,-55,0])cylinder(h=5,d=5);
}
module round_mask(){
    ddd=57.65;
    difference(){
        translate([0,0,4])cube([ddd+1,ddd,10],center=true);
        translate([0,0,-1.5])cylinder(h=11,d=ddd);
        translate([0,-ddd/2,4])cube([ddd+1,ddd,10],center=true);
    
    }
}
